Summary statistics for a_c1_22 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_22 |        679     4587287     7421350      -8088   6.43e+07

by Jean Roth , jroth@nber.org , 21 Apr 2018